Schmid Watson Installation Guide Page 103

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LTU/NTU SZ-DOC-W5-1.pd
f
Operating Manual
V
ersion: 1.5
Revision: 2002-09-10 94
10.3 nx64 kbit/s Connector
10.3.1 User Interface Type
A female SubD25 connector is used for all modes. The table below depicts the pin-out of the
connector for the different modes (according to RS-530, ISO 2110) and the signal levels used for
the signals.
Front View
SubD25, female
13
1
25
14
Figure 10-2: Front-view nx64 Sub-D25 connector
ITU-T Number Signal Level
Pin Nr. i/o V.35 V.36 X.21 V.35 V.36 X.21
1 FGND FGND FGND
2 i 103A 103A TA V.35 V.11 V.11
3 o 104A 104A RA V.35 V.11 V.11
4 i 105 105A CA V.28 V.11 V.11
5 o 106 106A IA V.28 V.11 V.11
6 o 107 107A V.28 V.11
7 102 102 G
8 o 109 109A V.28 V.11
9 o 115B 115B BB V.35 V.11 V.11
10 o 109B V.11
11 i 113B 113B XB V.35 V.11 V.11
12 o 114B 114B SB V.35 V.11 V.11
13 o 106B IB V.11 V.11
14 i 103B 103B TB V.35 V.11 V.11
15 o 114A 114A SA V.35 V.11 V.11
16 o 104B 104B RB V.35 V.11 V.11
17 o 115A 115A BA V.35 V.11 V.11
18 i 141 141 V.28 V.10
19 i 105B CB V.11 V.11
20 i 108/2 108/2A BIA V.28 V.11 V.11
21 i 140 140 V.28 V.10
22 o 107B V.11
23 i 108/2B BIB V.11 V.11
24 i 113A 113A XA V.35 V.11 V.11
25 o 142 142 V.28 V.10
Table 10-4: Pin assignment nx64 Sub-D25 connector
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